<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
<h1>登录</h1>
<form>
    用户名：<input type="text"/><br/>
    密码：<input type="password"/><br/>
    <button type="submit">登录</button>
</form>
</body>
</html>